Home / 31,947,869.60-47,921,804.40-21,870,173.60

Finding the Fourth Proportional to 31,947,869.60, 47,921,804.40 and 21,870,173.60

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Solution

The fourth proportional to 31,947,869.60, 47,921,804.40 and 21,870,173.60 is: 32,805,260.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,947,869.60 : 47,921,804.40 = 21,870,173.60 : x
  2. Step 2: Convert to fraction form
    31,947,869.60/47,921,804.40 = 21,870,173.60/x
  3. Step 3: Cross multiply
    31,947,869.60x = 47,921,804.40 × 21,870,173.60
  4. Step 4: Simplify right side
    31,947,869.60x = 1,048,058,181,453,243.88
  5. Step 5: Solve for x
    x = 1,048,058,181,453,243.88/31,947,869.60
  6. Step 6: Final answer
    x = 32,805,260.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.